Installation Instructions
CoolMaster User Manual
12
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© 2008 Cool Automation
Connecting and Wiring
4.5
Connecting the CoolMaster to the system is done by 3 steps:
1. Power supply connection.
2. Connecting to the Air Conditioning Communication line.
3. Connecting to the BMS/Home Automation controller.
Power Supply Connection
The power plug is supplied with the CoolMaster and connected as shown in the following figure.
Connecting to the Air Conditioning Communication line
The CoolMaster is simply wired to the Main air conditioning Communication Line anywhere within the
system. It can be wired to the terminals on one of the indoor units, directly to the terminals on the
outdoor unit or to the terminals on one of the centralized controllers. A connectivity schematic is shown
in the diagram below.